During the meeting, he calmly produced a detailed report to support his argument.

produced 是动词 produce 的过去式。produce 由前缀 pro-（表示"向前"）和词根 -duce（来自拉丁语 ducere，意为"带领"）组成，原意是"向前带出"，引申为"生产、制造、出示"的意思。在句中表示"拿出、出示"具体物品的动作。